/Engine/Plugins/Experimental/Animation/ContextualAnimation/Source/ContextualAnimation/Public/ContextualAnimSceneInstance.h
Tells the scene actor to join the scene (play animation)
Duration of the playing animation, or MIN_flt if not playing one.
float Join ( [FContextualAnimSceneBinding](API\Plugins\ContextualAnimation\FContextualAnimSceneBinding) & Binding )